155521557

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{571}}^2$

素因数の和:1201

約数の個数: 18

約数和(自身を含む): 229282326

約数和(自身を除く): 73760769

約数列:

[1, 3, 9, 53, 159, 477, 571, 1713, 5139, 30263, 90789, 272367, 326041, 978123, 2934369, 17280173, 51840519, 155521557]

約数ペア:

[(1, 155521557), (3, 51840519), (9, 17280173), (53, 2934369), (159, 978123), (477, 326041), (571, 272367), (1713, 90789), (5139, 30263)]